A pull-string firework with a bottle-shaped paper outer tube structure

By encasing the pull-string firework assembly in a bottle-shaped paper outer casing, the plastic ban restriction was overcome, enhancing the market competitiveness and visual appeal of small toy pull-string fireworks and overcoming the problem of poor ignition stability.

CN224435194UActive Publication Date: 2026-06-30LIUYANG SHANGCHENG FIREWORKS TRADING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LIUYANG SHANGCHENG FIREWORKS TRADING CO LTD
Filing Date
2025-07-09
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The plastic shell design of existing small toy-type firecrackers leads to export restrictions due to plastic bans. The lack of innovative design also affects product exports and market acceptance.

Method used

A bottle-shaped paper outer sleeve, molded from environmentally friendly materials such as bamboo fiber or straw fiber pulp, is fitted onto the outside of the pull-tab assembly, maintaining the internal structure unchanged.

Benefits of technology

It solves the plastic ban restrictions, enriches product creativity, improves visual appeal and combustion stability, and is more stable to hold.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224435194U_ABST
    Figure CN224435194U_ABST
Patent Text Reader

Abstract

This utility model discloses a pull-firework with a bottle-shaped paper outer tube. It is characterized by: including a pull-firework outer tube (1) fitted and connected to the outside of the pull-firework assembly (2), the outer tube being made of paper or environmentally friendly materials; the pull-firework assembly (2) being fitted and connected to the upper inner cavity of the outer tube (1), such that the upper plane of the pull-firework assembly is on the same horizontal plane as the port surface of the outer tube; the lower part of the outer tube (1) is a conical shape, the lower port of the outer tube is a pull-firework lower conical through-hole (3), and the pull-firework pull wire (4) extends out through the lower conical through-hole and is fixed to the outer wall of the outer tube. This utility model has advantages such as innovative and optimized design, simple structure, convenient assembly, good stability of ignition and detonation when the lower part of the outer tube is pulled to ignite the fuse, and safety.
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